Comparative Analysis of the Amount of Biogas Produced by Different Cultures using the Modified Gompertz Model and Logistic Model
Open Access
- 26 September 2020
- journal article
- Published by Modestum Ltd in European Journal of Sustainable Development Research
- Vol. 4 (4), em0141
- https://doi.org/10.29333/ejosdr/8550
Abstract
With the increase in population, the amount of food waste generated is increasing exponentially. Anaerobic digestion can serve the purpose of managing organic waste in an eco-friendly way. Microorganisms play a vital role in the process of anaerobic digestion. In this work, the effect of anaerobic digestion was analyzed using two organic cultures- Cow Dung and Horse waste which was in turn compared to an Industrial Culture with regards to the biogas produced over a cycle of 14 days. Between the two organic cultures, the volume of biogas produced by Horse waste was 35,366.03 cm3 which compared to the biogas produced by cow dung was considerably large. The use of Horse waste as potential biomass has the capacity to produce biogas which can be utilized as a biofuel. The experimental data were evaluated using mathematical models like the Modified Gompertz Model, Logistic Model, and First Order Kinetics Model. Of the three models used, Modified Gompertz Model and Logistic Model gave a good fit for the experimental data with 0.98 and 0.97 respectively as the Coefficient of Determination (R2). While the First Order Kinetics Model underperformed with an R2 value of 0.68. The Modified Gompertz gave accurate results which thus validated the experimental data.Keywords
This publication has 22 references indexed in Scilit:
- A Review of the Chemistry of Anaerobic Digestion: Methods of Accelerating and Optimizing Process EfficiencyProcesses, 2019
- Recent Updates on the Use of Agro-Food Waste for Biogas ProductionApplied Sciences, 2019
- Quantifying the Economic Effects of Biogas Installations for Organic Waste from Agro-Industrial SectorSustainability, 2018
- Improving methane yield and quality via co-digestion of cow dung mixed with food wasteBioresource Technology, 2018
- Challenges and opportunities associated with waste management in IndiaRoyal Society Open Science, 2017
- Recent updates on biogas production - a reviewBiofuel Research Journal, 2016
- Kinetic Study of the Anaerobic Digestion of Swine Manure at Mesophilic Temperature: A Lab Scale Batch OperationJournal of Biosystems Engineering, 2012
- Application of simplified models for anaerobic biodegradability tests. Evaluation of pre-treatment processesChemical Engineering Journal, 2010
- Horse dung as a partial substitute for cattle dung for operating family-size biogas plants in a hilly regionBioresource Technology, 1998
- Anaerobic digestion of dairy manure and field crop residuesAgricultural Wastes, 1981